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Lindcott Armory

Rifle · SAAMI

.300 PRC

Also known as .300 Precision Rifle Cartridge

Modern long-range precision cartridge.

Caliber
0.308″ · 7.823 mm
Introduced
2018
Case
Rimless
Parent
.375 Ruger
Primary use
Target, Competition, Hunting
Status
Active

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VelocityBeing verified
EnergyBeing verified
Typical grains200 · 212 · 225 gr
Identity
Introduced
2018
Type
Rifle
Origin
United States
Inventor
Hornady
Manufacturer
Hornady
Standard
SAAMI
Status
Active
Availability
Common
Build
Case capacity
98 gr H₂O
Twist (typical)
1:8.5
Primer
Large Rifle Magnum
Case type
Rimless
Pressure & range
Max pressure
65,000 psi
Eff. range
1500 yd
Max range
5500 yd
Recoil
25–35 ft·lb

Introduced by Hornady

Ballistics

Published velocity/energy data isn't available for .300 PRC. Parent case: .375 Ruger.

Performance

Best for Withheld until verified
Best for Withheld until verified
Dimensionscase measurements · scale drawing · size vs familiar rounds

Case dimensions — the scale drawing at the top of the page is built from these.

CIP TDCC · verified
Measuremmin✓
Bullet ⌀ 7.820.308 ✓
Neck ⌀ 8.660.341 ✓
Shoulder ⌀ 13.080.515 ✓
Shoulder angle 30°— ✓
Base ⌀ 13.530.533 ✓
Rim ⌀ 13.510.532 ✓
Belt ⌀ n/a
Rim thickness 1.270.050 ✓
Neck length 7.810.307 ≈
Case length 65.532.580 ✓
Overall length 93.983.700 ✓

Size vs familiar rounds

Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. .300 PRC is highlighted below.

Factory loads

Verification

Being verified

Advertised FPS, energy, and BC are withheld until loads clear verification.

Suitable powders

16 reloading powders listed for .300 PRC, fastest to slowest. Cross-reference in the finder →

N550N555N560Vihtavuori N160N165N565N570N170AR 2218Reloader 26IMR 7977LRT24N41IMR 8133Reloader 33N105
Reloading costestimate cost per round vs factory

Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.

Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.

Firearms chambered in .300 PRC

12 models in the database chamber .300 PRC. Browse all →

Christensen Arms MHRChristensen Arms Mesa CarbonChristensen Arms MHR 300Sako 90 PeakChristensen Arms Ridgeline TitaniumChristensen Arms TraverseTikka T3x Arctic 6.5 PRCTikka T3x Arctic .300 PRCBergara Premier Series RidgebackBergara CanyonProof Research Elevation MTR .300 PRC 26-inchWeatherby 307 Range

Lineage

Immediate parent
.375 Ruger
Direct descendants (1)
7mm PRC
Family TreeOpen .300 PRC in the interactive cartridge family tree

Connected reference

Loads55 factory loads for .300 PRCReloading16 suitable powders — cross-referenceFirearmsFirearms in .300 PRC

History

Introduced by Hornady in 2018 for long-range precision. Designed from ground up for modern heavy bullets unlike belted magnums. Quickly adopted by PRS and military sniper programs. Better case design than .300 Win Mag.

FAQs

What twist rate does .300 PRC use?
.300 PRC typically uses a 1:8.5 twist rate.
What bullet diameter is .300 PRC?
.300 PRC uses a 0.308″ (7.823 mm) diameter bullet.
Is .300 PRC still in production?
.300 PRC is active; typical availability is common.
What is .300 PRC used for?
.300 PRC is primarily used for target, competition, hunting.
What is .300 PRC based on?
.300 PRC is derived from the .375 Ruger case.
What are the best powders for .300 PRC?
Reloading powders commonly listed for .300 PRC include N550, N555, N560, Vihtavuori N160, among 16 suitable options.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 55 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →